Monday, April 11th, 2011
Shell-sort with Hungarian (Székely) folk dance
via youtube.com Via Winnie Cassiopeia.
Entries Tagged as 'programming'
Monday, February 9th, 2009
GEEK: prune directories, files from find output
Sometimes you want to exclude a directory and/or files from a search. This alias: cfind=’find . \( -type d -name .svn -prune -o -path ./stock-data/tests/data -prune \) -o \( -type f \! -name “*.csv” -print0 \) | xargs -0 grep’ …means: “Recursively loop through all of the files and directories in the current directory and [...]
Monday, February 9th, 2009
GEEK: user admin cheat sheet
How to set various user properties via the command line on Mac OS X
Monday, February 9th, 2009
GEEK: Display method descriptions for all the methods in a Python module
Type the following in the python interpreter: help() modules [name of module] You should see a list of the methods in the module with their descriptions.
Friday, January 30th, 2009
GEEK: How to tell where your script is located in Python
Suppose you’re executing a python script in the debugger, and you want to find out where the script you’re executing is located. This should do the trick: import os os.path.dirname( os.path.realpath( __file__ ) )
Tuesday, July 22nd, 2008
GEEK: how to add a user to the admin group on Mac OS X
Here’s how to add a user to the admin group using dscl: dscl . append /Groups/admin GroupMembership crasch Remove a user: dscl . delete /Groups/admin GroupMembership crasch Reading the membership of the admin group: dscl . read /Groups/admin GroupMembership
Wednesday, July 16th, 2008
GEEK: Running a ruby script via crontab
So, I’m trying to set up a ruby script that screenscrapes another website, writes the results to a local file, then rsyncs the file to another machine behind a firewall. This post details the problems I ran into while trying to get cron to run the ruby script and rsync to the remote host.
Wednesday, December 12th, 2007
GEEK: shell script question
Suppose you want pass in a complex query to a command line sql interpreter from within a shell script. You can do so with a command like this: sql92
Tuesday, November 27th, 2007
GEEK: Notes on rubygem, pdb.set_trace()
If you want to use a newly installed rubygems, and you don’t want to require ‘rubygems’ for every program that uses a gem, you need to set the RUBYOPT environment variable. For example, if you’re using tcsh, you should put the following in your .tcshrc file: setenv RUBYOPT rubygems This will cause the rubygems module [...]
